| Water Level/Flow Parameters |
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Streamflow, ft³/s (367 sites) |
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Gage height, ft (357 sites) |
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Groundwater level above NAVD 1988, ft (7 sites) |
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Lake or reservoir water surface elevation above NGVD 1929, ft (17 sites) |
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Lake or reservoir water surface elevation above NAVD 1988, ft (8 sites) |
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Stream water level elevation above NAVD 1988, in ft (10 sites) |
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Depth to water level, ft below land surface (78 sites) |
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Mean Stream velocity from field sensor, ft/s (2 sites) |
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Mean Stream velocity, ft/s (11 sites) |
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Water level elevation above NAVD 1988, corrected for barometric pressure, ft (32 sites) |
| Water Quality Parameters |
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Temperature, water, °C (77 sites) |
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Temperature, water, °F (2 sites) |
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Specific conductance, water, unfiltered, µS/cm at 25 °C (48 sites) |
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Dissolved oxygen, water, unfiltered, mg/L (26 sites) |
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pH, water, unfiltered, field, standard units (24 sites) |
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Chlorophyll, total, water, in situ, fluorometric, 650-700 nanometers, relative fluorescence units (RFU) (1 sites) |
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Chlorophyll a, estimated, water, in-situ, in-vivo fluorescence, RFU (2 sites) |
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Chlorophyll a, estimated, water, in-situ, in-vivo fluorescence, concentration estimated from reference material, µg/L (2 sites) |
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Phycocyanins (cyanobacteria), water, in situ, fluorometric method, excitation at 590 +-15 nm, emission at 685 +-20 nm, µg/L (2 sites) |
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Phycocyanins (cyanobacteria), water, in situ, fluorometric method, excitation at 590 +-15 nm, emission at 685 +-20 nm, relative fluorescence units, RFU (3 sites) |
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Orthophosphate, water, in situ, mg/L as phosphorus (1 sites) |
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Chlorophyll, total, water, fluorometric, 650-700 nanometers, in-situ sensor, µg/L (1 sites) |
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Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +/-2.5 degrees, FNU (20 sites) |
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Cyanobacteria (blue-green algae), YSI in-vivo fluorescence of phycocyanin, excitation - 595, emission - 650 nm, cells/mL (1 sites) |
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Nitrate plus nitrite, water, in situ, mg/L as N (3 sites) |